Bottle stopper



FIG. 1 is a perspective view of a bottle stopper showing my new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a left view thereof;

FIG. 6 is a right view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is bottom plan view of thereof; and,

FIG. 9 is another perspective view thereof, shown in a position of use with an exemplary bottle.

The broken lines are shown for the purpose of illustrating parts of the article as well as environmental subject matter of an exemplary bottle. None of the broken lines form part of the claimed design. 

CLAIM The ornamental design for a bottle stopper, as shown and described. 